summaryrefslogtreecommitdiffstats
path: root/arch/i386/kernel/cpu/cpufreq/longhaul.h
blob: bc4682aad69b506acd909307ef6eba787013fd64 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
/*
 *  longhaul.h
 *  (C) 2003 Dave Jones.
 *
 *  Licensed under the terms of the GNU GPL License version 2.
 *
 *  VIA-specific information
 */

union msr_bcr2 {
	struct {
		unsigned Reseved:19,	// 18:0
		ESOFTBF:1,		// 19
		Reserved2:3,		// 22:20
		CLOCKMUL:4,		// 26:23
		Reserved3:5;		// 31:27
	} bits;
	unsigned long val;
};

union msr_longhaul {
	struct {
		unsigned RevisionID:4,	// 3:0
		RevisionKey:4,		// 7:4
		EnableSoftBusRatio:1,	// 8
		EnableSoftVID:1,	// 9
		EnableSoftBSEL:1,	// 10
		Reserved:3,		// 11:13
		SoftBusRatio4:1,	// 14
		VRMRev:1,		// 15
		SoftBusRatio:4,		// 19:16
		SoftVID:5,		// 24:20
		Reserved2:3,		// 27:25
		SoftBSEL:2,		// 29:28
		Reserved3:2,		// 31:30
		MaxMHzBR:4,		// 35:32
		MaximumVID:5,		// 40:36
		MaxMHzFSB:2,		// 42:41
		MaxMHzBR4:1,		// 43
		Reserved4:4,		// 47:44
		MinMHzBR:4,		// 51:48
		MinimumVID:5,		// 56:52
		MinMHzFSB:2,		// 58:57
		MinMHzBR4:1,		// 59
		Reserved5:4;		// 63:60
	} bits;
	unsigned long long val;
};

/*
 * Clock ratio tables. Div/Mod by 10 to get ratio.
 * The eblcr ones specify the ratio read from the CPU.
 * The clock_ratio ones specify what to write to the CPU.
 */

/*
 * VIA C3 Samuel 1  & Samuel 2 (stepping 0)
 */
static int __initdata samuel1_clock_ratio[16] = {
	-1, /* 0000 -> RESERVED */
	30, /* 0001 ->  3.0x */
	40, /* 0010 ->  4.0x */
	-1, /* 0011 -> RESERVED */
	-1, /* 0100 -> RESERVED */
	35, /* 0101 ->  3.5x */
	45, /* 0110 ->  4.5x */
	55, /* 0111 ->  5.5x */
	60, /* 1000 ->  6.0x */
	70, /* 1001 ->  7.0x */
	80, /* 1010 ->  8.0x */
	50, /* 1011 ->  5.0x */
	65, /* 1100 ->  6.5x */
	75, /* 1101 ->  7.5x */
	-1, /* 1110 -> RESERVED */
	-1, /* 1111 -> RESERVED */
};

static int __initdata samuel1_eblcr[16] = {
	50, /* 0000 -> RESERVED */
	30, /* 0001 ->  3.0x */
	40, /* 0010 ->  4.0x */
	-1, /* 0011 -> RESERVED */
	55, /* 0100 ->  5.5x */
	35, /* 0101 ->  3.5x */
	45, /* 0110 ->  4.5x */
	-1, /* 0111 -> RESERVED */
	-1, /* 1000 -> RESERVED */
	70, /* 1001 ->  7.0x */
	80, /* 1010 ->  8.0x */
	60, /* 1011 ->  6.0x */
	-1, /* 1100 -> RESERVED */
	75, /* 1101 ->  7.5x */
	-1, /* 1110 -> RESERVED */
	65, /* 1111 ->  6.5x */
};

/*
 * VIA C3 Samuel2 Stepping 1->15
 */
static int __initdata samuel2_eblcr[16] = {
	50,  /* 0000 ->  5.0x */
	30,  /* 0001 ->  3.0x */
	40,  /* 0010 ->  4.0x */
	100, /* 0011 -> 10.0x */
	55,  /* 0100 ->  5.5x */
	35,  /* 0101 ->  3.5x */
	45,  /* 0110 ->  4.5x */
	110, /* 0111 -> 11.0x */
	90,  /* 1000 ->  9.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	60,  /* 1011 ->  6.0x */
	120, /* 1100 -> 12.0x */
	75,  /* 1101 ->  7.5x */
	130, /* 1110 -> 13.0x */
	65,  /* 1111 ->  6.5x */
};

/*
 * VIA C3 Ezra
 */
static int __initdata ezra_clock_ratio[16] = {
	100, /* 0000 -> 10.0x */
	30,  /* 0001 ->  3.0x */
	40,  /* 0010 ->  4.0x */
	90,  /* 0011 ->  9.0x */
	95,  /* 0100 ->  9.5x */
	35,  /* 0101 ->  3.5x */
	45,  /* 0110 ->  4.5x */
	55,  /* 0111 ->  5.5x */
	60,  /* 1000 ->  6.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	50,  /* 1011 ->  5.0x */
	65,  /* 1100 ->  6.5x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	120, /* 1111 -> 12.0x */
};

static int __initdata ezra_eblcr[16] = {
	50,  /* 0000 ->  5.0x */
	30,  /* 0001 ->  3.0x */
	40,  /* 0010 ->  4.0x */
	100, /* 0011 -> 10.0x */
	55,  /* 0100 ->  5.5x */
	35,  /* 0101 ->  3.5x */
	45,  /* 0110 ->  4.5x */
	95,  /* 0111 ->  9.5x */
	90,  /* 1000 ->  9.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	60,  /* 1011 ->  6.0x */
	120, /* 1100 -> 12.0x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	65,  /* 1111 ->  6.5x */
};

/*
 * VIA C3 (Ezra-T) [C5M].
 */
static int __initdata ezrat_clock_ratio[32] = {
	100, /* 0000 -> 10.0x */
	30,  /* 0001 ->  3.0x */
	40,  /* 0010 ->  4.0x */
	90,  /* 0011 ->  9.0x */
	95,  /* 0100 ->  9.5x */
	35,  /* 0101 ->  3.5x */
	45,  /* 0110 ->  4.5x */
	55,  /* 0111 ->  5.5x */
	60,  /* 1000 ->  6.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	50,  /* 1011 ->  5.0x */
	65,  /* 1100 ->  6.5x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	120, /* 1111 ->  12.0x */

	-1,  /* 0000 -> RESERVED (10.0x) */
	110, /* 0001 -> 11.0x */
	120, /* 0010 -> 12.0x */
	-1,  /* 0011 -> RESERVED (9.0x)*/
	105, /* 0100 -> 10.5x */
	115, /* 0101 -> 11.5x */
	125, /* 0110 -> 12.5x */
	135, /* 0111 -> 13.5x */
	140, /* 1000 -> 14.0x */
	150, /* 1001 -> 15.0x */
	160, /* 1010 -> 16.0x */
	130, /* 1011 -> 13.0x */
	145, /* 1100 -> 14.5x */
	155, /* 1101 -> 15.5x */
	-1,  /* 1110 -> RESERVED (13.0x) */
	-1,  /* 1111 -> RESERVED (12.0x) */
};

static int __initdata ezrat_eblcr[32] = {
	50,  /* 0000 ->  5.0x */
	30,  /* 0001 ->  3.0x */
	40,  /* 0010 ->  4.0x */
	100, /* 0011 -> 10.0x */
	55,  /* 0100 ->  5.5x */
	35,  /* 0101 ->  3.5x */
	45,  /* 0110 ->  4.5x */
	95,  /* 0111 ->  9.5x */
	90,  /* 1000 ->  9.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	60,  /* 1011 ->  6.0x */
	120, /* 1100 -> 12.0x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	65,  /* 1111 ->  6.5x */

	-1,  /* 0000 -> RESERVED (9.0x) */
	110, /* 0001 -> 11.0x */
	120, /* 0010 -> 12.0x */
	-1,  /* 0011 -> RESERVED (10.0x)*/
	135, /* 0100 -> 13.5x */
	115, /* 0101 -> 11.5x */
	125, /* 0110 -> 12.5x */
	105, /* 0111 -> 10.5x */
	130, /* 1000 -> 13.0x */
	150, /* 1001 -> 15.0x */
	160, /* 1010 -> 16.0x */
	140, /* 1011 -> 14.0x */
	-1,  /* 1100 -> RESERVED (12.0x) */
	155, /* 1101 -> 15.5x */
	-1,  /* 1110 -> RESERVED (13.0x) */
	145, /* 1111 -> 14.5x */
};

/*
 * VIA C3 Nehemiah */

static int __initdata nehemiah_a_clock_ratio[32] = {
	100, /* 0000 -> 10.0x */
	160, /* 0001 -> 16.0x */
	-1,  /* 0010 ->  RESERVED */
	90,  /* 0011 ->  9.0x */
	95,  /* 0100 ->  9.5x */
	-1,  /* 0101 ->  RESERVED */
	-1,  /* 0110 ->  RESERVED */
	55,  /* 0111 ->  5.5x */
	60,  /* 1000 ->  6.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	50,  /* 1011 ->  5.0x */
	65,  /* 1100 ->  6.5x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	120, /* 1111 -> 12.0x */
	100, /* 0000 -> 10.0x */
	-1,  /* 0001 -> RESERVED */
	120, /* 0010 -> 12.0x */
	90,  /* 0011 ->  9.0x */
	105, /* 0100 -> 10.5x */
	115, /* 0101 -> 11.5x */
	125, /* 0110 -> 12.5x */
	135, /* 0111 -> 13.5x */
	140, /* 1000 -> 14.0x */
	150, /* 1001 -> 15.0x */
	160, /* 1010 -> 16.0x */
	130, /* 1011 -> 13.0x */
	145, /* 1100 -> 14.5x */
	155, /* 1101 -> 15.5x */
	-1,  /* 1110 -> RESERVED (13.0x) */
	120, /* 1111 -> 12.0x */
};

static int __initdata  nehemiah_b_clock_ratio[32] = {
	100, /* 0000 -> 10.0x */
	160, /* 0001 -> 16.0x */
	-1,  /* 0010 ->  RESERVED */
	90,  /* 0011 ->  9.0x */
	95,  /* 0100 ->  9.5x */
	-1,  /* 0101 ->  RESERVED */
	-1,  /* 0110 ->  RESERVED */
	55,  /* 0111 ->  5.5x */
	60,  /* 1000 ->  6.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	50,  /* 1011 ->  5.0x */
	65,  /* 1100 ->  6.5x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	120, /* 1111 -> 12.0x */
	100, /* 0000 -> 10.0x */
	110, /* 0001 -> 11.0x */
	120, /* 0010 -> 12.0x */
	90,  /* 0011 ->  9.0x */
	105, /* 0100 -> 10.5x */
	115, /* 0101 -> 11.5x */
	125, /* 0110 -> 12.5x */
	135, /* 0111 -> 13.5x */
	140, /* 1000 -> 14.0x */
	150, /* 1001 -> 15.0x */
	160, /* 1010 -> 16.0x */
	130, /* 1011 -> 13.0x */
	145, /* 1100 -> 14.5x */
	155, /* 1101 -> 15.5x */
	-1,  /* 1110 -> RESERVED (13.0x) */
	120, /* 1111 -> 12.0x */
};

static int __initdata  nehemiah_c_clock_ratio[32] = {
	100, /* 0000 -> 10.0x */
	160, /* 0001 -> 16.0x */
	40,  /* 0010 ->  RESERVED */
	90,  /* 0011 ->  9.0x */
	95,  /* 0100 ->  9.5x */
	-1,  /* 0101 ->  RESERVED */
	45,  /* 0110 ->  RESERVED */
	55,  /* 0111 ->  5.5x */
	60,  /* 1000 ->  6.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	50,  /* 1011 ->  5.0x */
	65,  /* 1100 ->  6.5x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	120, /* 1111 -> 12.0x */
	100, /* 0000 -> 10.0x */
	110, /* 0001 -> 11.0x */
	120, /* 0010 -> 12.0x */
	90,  /* 0011 ->  9.0x */
	105, /* 0100 -> 10.5x */
	115, /* 0101 -> 11.5x */
	125, /* 0110 -> 12.5x */
	135, /* 0111 -> 13.5x */
	140, /* 1000 -> 14.0x */
	150, /* 1001 -> 15.0x */
	160, /* 1010 -> 16.0x */
	130, /* 1011 -> 13.0x */
	145, /* 1100 -> 14.5x */
	155, /* 1101 -> 15.5x */
	-1,  /* 1110 -> RESERVED (13.0x) */
	120, /* 1111 -> 12.0x */
};

static int __initdata nehemiah_a_eblcr[32] = {
	50,  /* 0000 ->  5.0x */
	160, /* 0001 -> 16.0x */
	-1,  /* 0010 ->  RESERVED */
	100, /* 0011 -> 10.0x */
	55,  /* 0100 ->  5.5x */
	-1,  /* 0101 ->  RESERVED */
	-1,  /* 0110 ->  RESERVED */
	95,  /* 0111 ->  9.5x */
	90,  /* 1000 ->  9.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	60,  /* 1011 ->  6.0x */
	120, /* 1100 -> 12.0x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	65,  /* 1111 ->  6.5x */
	90,  /* 0000 ->  9.0x */
	-1,  /* 0001 -> RESERVED */
	120, /* 0010 -> 12.0x */
	100, /* 0011 -> 10.0x */
	135, /* 0100 -> 13.5x */
	115, /* 0101 -> 11.5x */
	125, /* 0110 -> 12.5x */
	105, /* 0111 -> 10.5x */
	130, /* 1000 -> 13.0x */
	150, /* 1001 -> 15.0x */
	160, /* 1010 -> 16.0x */
	140, /* 1011 -> 14.0x */
	120, /* 1100 -> 12.0x */
	155, /* 1101 -> 15.5x */
	-1,  /* 1110 -> RESERVED (13.0x) */
	145 /* 1111 -> 14.5x */
   /* end of table  */
};
static int __initdata nehemiah_b_eblcr[32] = {
	50,  /* 0000 ->  5.0x */
	160, /* 0001 -> 16.0x */
	-1,  /* 0010 ->  RESERVED */
	100, /* 0011 -> 10.0x */
	55,  /* 0100 ->  5.5x */
	-1,  /* 0101 ->  RESERVED */
	-1,  /* 0110 ->  RESERVED */
	95,  /* 0111 ->  9.5x */
	90,  /* 1000 ->  9.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	60,  /* 1011 ->  6.0x */
	120, /* 1100 -> 12.0x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	65,  /* 1111 ->  6.5x */
	90,  /* 0000 ->  9.0x */
	110, /* 0001 -> 11.0x */
	120, /* 0010 -> 12.0x */
	100, /* 0011 -> 10.0x */
	135, /* 0100 -> 13.5x */
	115, /* 0101 -> 11.5x */
	125, /* 0110 -> 12.5x */
	105, /* 0111 -> 10.5x */
	130, /* 1000 -> 13.0x */
	150, /* 1001 -> 15.0x */
	160, /* 1010 -> 16.0x */
	140, /* 1011 -> 14.0x */
	120, /* 1100 -> 12.0x */
	155, /* 1101 -> 15.5x */
	-1,  /* 1110 -> RESERVED (13.0x) */
	145 /* 1111 -> 14.5x */
	   /* end of table  */
};
static int __initdata nehemiah_c_eblcr[32] = {
	50,  /* 0000 ->  5.0x */
	160, /* 0001 -> 16.0x */
	40,  /* 0010 ->  RESERVED */
	100, /* 0011 -> 10.0x */
	55,  /* 0100 ->  5.5x */
	-1,  /* 0101 ->  RESERVED */
	45,  /* 0110 ->  RESERVED */
	95,  /* 0111 ->  9.5x */
	90,  /* 1000 ->  9.0x */
	70,  /* 1001 ->  7.0x */
	80,  /* 1010 ->  8.0x */
	60,  /* 1011 ->  6.0x */
	120, /* 1100 -> 12.0x */
	75,  /* 1101 ->  7.5x */
	85,  /* 1110 ->  8.5x */
	65,  /* 1111 ->  6.5x */
	90,  /* 0000 ->  9.0x */
	110, /* 0001 -> 11.0x */
	120, /* 0010 -> 12.0x */
	100, /* 0011 -> 10.0x */
	135, /* 0100 -> 13.5x */
	115, /* 0101 -> 11.5x */
	125, /* 0110 -> 12.5x */
	105, /* 0111 -> 10.5x */
	130, /* 1000 -> 13.0x */
	150, /* 1001 -> 15.0x */
	160, /* 1010 -> 16.0x */
	140, /* 1011 -> 14.0x */
	120, /* 1100 -> 12.0x */
	155, /* 1101 -> 15.5x */
	-1,  /* 1110 -> RESERVED (13.0x) */
	145 /* 1111 -> 14.5x */
	  /* end of table  */
};

/*
 * Voltage scales. Div/Mod by 1000 to get actual voltage.
 * Which scale to use depends on the VRM type in use.
 */

struct mV_pos {
	unsigned short mV;
	unsigned short pos;
};

static struct mV_pos __initdata vrm85_mV[32] = {
	{1250, 8},	{1200, 6},	{1150, 4},	{1100, 2},
	{1050, 0},	{1800, 30},	{1750, 28},	{1700, 26},
	{1650, 24},	{1600, 22},	{1550, 20},	{1500, 18},
	{1450, 16},	{1400, 14},	{1350, 12},	{1300, 10},
	{1275, 9},	{1225, 7},	{1175, 5},	{1125, 3},
	{1075, 1},	{1825, 31},	{1775, 29},	{1725, 27},
	{1675, 25},	{1625, 23},	{1575, 21},	{1525, 19},
	{1475, 17},	{1425, 15},	{1375, 13},	{1325, 11}
};

static unsigned char __initdata mV_vrm85[32] = {
	0x04,	0x14,	0x03,	0x13,	0x02,	0x12,	0x01,	0x11,
	0x00,	0x10,	0x0f,	0x1f,	0x0e,	0x1e,	0x0d,	0x1d,
	0x0c,	0x1c,	0x0b,	0x1b,	0x0a,	0x1a,	0x09,	0x19,
	0x08,	0x18,	0x07,	0x17,	0x06,	0x16,	0x05,	0x15
};

static struct mV_pos __initdata mobilevrm_mV[32] = {
	{1750, 31},	{1700, 30},	{1650, 29},	{1600, 28},
	{1550, 27},	{1500, 26},	{1450, 25},	{1400, 24},
	{1350, 23},	{1300, 22},	{1250, 21},	{1200, 20},
	{1150, 19},	{1100, 18},	{1050, 17},	{1000, 16},
	{975, 15},	{950, 14},	{925, 13},	{900, 12},
	{875, 11},	{850, 10},	{825, 9},	{800, 8},
	{775, 7},	{750, 6},	{725, 5},	{700, 4},
	{675, 3},	{650, 2},	{625, 1},	{600, 0}
};

static unsigned char __initdata mV_mobilevrm[32] = {
	0x1f,	0x1e,	0x1d,	0x1c,	0x1b,	0x1a,	0x19,	0x18,
	0x17,	0x16,	0x15,	0x14,	0x13,	0x12,	0x11,	0x10,
	0x0f,	0x0e,	0x0d,	0x0c,	0x0b,	0x0a,	0x09,	0x08,
	0x07,	0x06,	0x05,	0x04,	0x03,	0x02,	0x01,	0x00
};

OpenPOWER on IntegriCloud